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07-09-2020
Chemistry

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12. When a chlorine atom forms an ion its radius increases, but when a sodium atom forms an ion its radius decreases. Explain this apparent contradiction

12 When a chlorine atom forms an ion its radius increases but when a sodium atom forms an ion its radius decreases Explain this apparent contradiction class=

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keziakh004 keziakh004

08-09-2020

Explanation:

When a chlorine atom forms an ion, it gains electrons, making it negative. A neutral chlorine will become a chlorine with a -1 charge. When it gains an electron, the radius increases.

When a sodium atom forms an ion, it loses electrons, making it positive. A neutral sodium will become a sodium with a +1 charge. When it loses an electron, the radius decreases.

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